# 科减 vs 知食AI：饮食记录营养分析健康减肥食谱

The clearest difference is review sentiment: 知食AI：饮食记录营养分析健康减肥食谱 at 100% against 科减's 0%. 知食AI：饮食记录营养分析健康减肥食谱 also leads on update cadence (every 5 days vs every 2 months). 科减's advantage is in-app purchases (none vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 知食AI：饮食记录营养分析健康减肥食谱 sells 1 one-off in-app purchase. 科减 asks for nothing beyond the download.

科减 ships an update every 2 months, 知食AI：饮食记录营养分析健康减肥食谱 every 5 days. The most recent releases landed on October 18, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 科减 | 知食AI：饮食记录营养分析健康减肥食谱 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ai/id6677014256/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 117 MB | 65 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [生命说(北京)健康管理有限公司](https://appshunter.io/developer/1382129406) | [杭州慢活健康科技有限公司](https://appshunter.io/developer/1756858465) |

## What reviewers say

### 科减

[App page](https://appshunter.io/ios/app/id1382129407)

**Features:** macOS Compatibility

**In-app purchases:** none


### 知食AI：饮食记录营养分析健康减肥食谱

[App page](https://appshunter.io/ios/app/ai/id6677014256)

This app helps you track your food intake and analyze its nutritional content. It provides detailed reports on macronutrients, vitamins, and minerals, offering personalized insights for balanced eating and weight management.

**Highlights:** Dietary logging with photo recognition, Detailed nutritional analysis (macros, vitamins, minerals), Personalized dietary reports, Weight management and fat loss themes, Interactive nutrient tracking, Food diversity and quality assessment

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月会员特惠 | $2.99 | one-time |


## Frequently asked questions

### Is 科减 free?

科减 is free to download, with no in-app purchases.

### Is 知食AI：饮食记录营养分析健康减肥食谱 free?

知食AI：饮食记录营养分析健康减肥食谱 is free to download, with in-app purchases available.

### Do 科减 or 知食AI：饮食记录营养分析健康减肥食谱 have ads?

Neither 科减 nor 知食AI：饮食记录营养分析健康减肥食谱 shows ads.

### Which is updated more often, 科减 or 知食AI：饮食记录营养分析健康减肥食谱?

科减 ships an update every 2 months, and 知食AI：饮食记录营养分析健康减肥食谱 every 5 days. Most recently, 科减 was updated on October 18, 2026 and 知食AI：饮食记录营养分析健康减肥食谱 on October 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*